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z buffer
(redirected from Hidden surface removal)

    Also found in: Acronyms, Wikipedia 0.01 sec.
z buffer
A memory buffer in a graphics accelerator that is used to speed up the rendering of 3D images. It holds the depth of each pixel (z-axis), and as an image is drawn, each pixel is matched against the z buffer location. If the next pixel in line to be drawn is below the one that is already there, it is ignored. This is also known as "hidden surface removal." See graphics pipeline and graphics accelerator.
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Imagination's Tile-Based Deferred Rendering technology enables on-chip processing of hidden surface removal and pixel blending.
Imagination Technologies introduces POWERVR VGX150 graphics IP core by Worldwide Computer Products News
By doing only what is absolutely necessary, and by keeping as much 3D processing as possible on-chip, PowerVR's combination of Tile Based Rendering, 32-bit True Color, 8 Layer Multitexturing and Hidden Surface Removal allows maximum performance to be extracted from the available memory bandwidth.
STMICROELECTRONICS AND IMAGINATION TECHNOLOGIES EXTEND PARTNERSHIP TO ... by EDP Weekly's IT Monitor
By doing only what is absolutely necessary, and by keeping as much 3D processing as possible on-chip, PowerVR's combination of Tile Based Rendering, 32-bit True Color, 8 Layer Multitexturing and Hidden Surface Removal allows maximum performance to be extracted from the available memory bandwidth.
STMicroelectronics and Imagination Technologies Extend Partnership To ... by Business Wire
 
 
 
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